July 17, 1916 Influence of Calcium and Magnesium on Plant Growth 617 



(11) Kearney, T. H., and Harter, L. L. 



1907. The comparative tolerance of various plants for the salts common in 

 alkali soils. U. S. Dept. Agr. Bur. Plant Indus. Bui. 113, 22 p. 



(12) Konovalov, I. 



1907. On the question of the different correlations between lime and mag- 



nesia in the nutritive solution (theory of O. Loew). (Abstract.) In 

 Exp. Sta. Rec, v. 19, no. 9, p. 827-828. 1908. Original article in 

 Zhur Opuitn. Agron. (Russ. Jour. Exp. Landw.), t. 8, kniga 3, p. 

 257-280. 1907. Not seen. 



(13) Lemmermann, O., Einecke, A., and Fischer, H. 



191 1. Untersuchungen iiber die Wirkung eines verschiedenen Verhaltnisses 

 von Kalk und Magnesia in einigen Boden auf hohere Pflanzen und 

 Mikroorganismen. In Landw. Jahrb., Bd. 40, Heft 1/2, p. 173-234. 



(14) Lipman, C. B. 



1909. Toxic and antagonistic effects of salts as related to ammonification by 

 Bacillus subtilis. hi Bot. Gaz., v. 48, no. 2, p. 105-125, 5 fig. Lit- 

 erature cited, p. 124-125. 



(15) Loew, Oscar 



1892. Ueber die physiologischen Functionen der Calcium-und Magnesium- 

 salze im Pflanzenorganismus. In Flora, Jahrg. 75 (n. R. Jahrg. 50), 

 Heft 3, p. 368-394. 



(16) 



1903. The physiological role of mineral nutrients in plants. U. S. Dept. Agr. 



Bur. Plant Indus. Bui. 45, 70 p. 



(17) MacDouGAL, D. T. 



1901. Practical Text-Book of Plant Physiology. 352 p., illus. New York, 



London, Bombay. 



(18) MaclNTiRE, W. H., Willis, L. G., and Hardy, J. I. 



1914. The non-existence of magnesium carbonate in humid soils. Tenn. 

 Agr. Exp. Sta. Bui. 107, p. 149-202, illus. 



(19) Meurer, Reinhard. 



1909. Ueber die regulatorische Aufnahme anorganischer Stoffe durch die 



Wurzeln von Beta vulgaris und Daucus Carota. In Jahrb. Wiss. 

 Bot., Bd. 46, Heft 4, p. 503-567. 



(20) Meyer, D. 



1904. Untersuchungen iiber die Wirkung verschiedener Kalk- und Magnesia- 



formen. In Landw. Jahrb., Bd. 33, Heft 3, p. 371-404, pi. n. 



(21) 



1910. Kalk- und Magnesiaversuche. In Centbl. Agr. Chem. Jahrg. 39, 



Heft 10, p. 679-694. 



(22) Nakamura, T. 



1905. Uber die Wirkung einer starken Magnesiadungung in Form von Bitter- 



salz. In Landw. Jahrb., Bd. 34, Heft 1, p. 141-143. 



(23) Nathanson, Alexander. 



1902. Ueber Regulationserscheinungen im Stoffaustausch. In Jahrb. Wiss. 



Bot., Bd. 38, Heft 2, p. 241-290. 



(24) Osterhout, W. J. 



1908. The value of sodium to plants by reason of its protective action. In 



Univ. Cal. Pub. Bot., v. 3, no. 3, p. 331-340. 



(25) Patterson, H. J. 



1900. The occurrence and composition of lime in Maryland, together with a 

 report of the results of experiments in testing its use in agriculture. 

 Md. Agr. Exp. Sta. Bui. 66, p. 91-130, 2 pi. (maps). 



